<template>
    <div>
        <!-- 面包屑导航 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片区域 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="searchChange"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="toAddPage">添加商品</el-button>
                </el-col>
            </el-row>
            <el-table :data="goodsList">
                <el-table-column type="index" label="#"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name" width="700px"></el-table-column>
                <el-table-column label="商品价格（元）" prop="goods_price"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight"></el-table-column>
                <el-table-column label="创建时间" width="180px">
                    <template slot-scope="scope">
                        {{ scope.row.add_time | dataFormat }}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="200px">
                    <template>
                        <el-button size="mini" type="primary" icon="el-icon-edit">编辑</el-button>
                        <el-button size="mini" type="danger" icon="el-icon-delete">删除</el-button>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[5, 10, 50, 100]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total"
            ></el-pagination>
        </el-card>
    </div>
</template>

<script>
export default {
    data() {
        return {
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 5
            },
            // 总数据条数
            total: 0,
            // 商品列表
            goodsList: []
        }
    },
    created() {
        this.getGoodsList();
    },
    methods: {
        async getGoodsList() {
            const { data: res } = await this.$http.get('goods', {
                params: this.queryInfo
            });

            if(res.meta.status !== 200) {
                return this.$message.error(res.meta.msg);
            }
            console.log(res);
            this.$message.success(res.meta.msg);
            this.goodsList = res.data.goods;
            this.total = res.data.total;
        },
        // 监听每页显示条数是否改变
        handleSizeChange(pagesize) {
            this.queryInfo.pagesize = pagesize;
            this.getGoodsList();
        },
        // 监听当前页码是否发生改变
        handleCurrentChange(pagenum) {
            this.queryInfo.pagenum = pagenum;
            this.getGoodsList();
        },
        // 搜索
        searchChange() {
            if(this.queryInfo.query.trim().length === 0) {
                return;
            }
            this.getGoodsList();
        },
        // 跳转到添加商品页码
        toAddPage() {
            this.$router.push('/goods/add');
        }
    }
}
</script>

<style lang="less">

</style>